Home / 303,281,988,008.49-418,542,299,605.83-167,951,168,444.65

Finding the Fourth Proportional to 303,281,988,008.49, 418,542,299,605.83 and 167,951,168,444.65

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Solution

The fourth proportional to 303,281,988,008.49, 418,542,299,605.83 and 167,951,168,444.65 is: 231,779,898,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,988,008.49 : 418,542,299,605.83 = 167,951,168,444.65 : x
  2. Step 2: Convert to fraction form
    303,281,988,008.49/418,542,299,605.83 = 167,951,168,444.65/x
  3. Step 3: Cross multiply
    303,281,988,008.49x = 418,542,299,605.83 × 167,951,168,444.65
  4. Step 4: Simplify right side
    303,281,988,008.49x = 70,294,668,262,309,925,748,736
  5. Step 5: Solve for x
    x = 70,294,668,262,309,925,748,736/303,281,988,008.49
  6. Step 6: Final answer
    x = 231,779,898,054.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.